Half a million

Insulated to preserve cold and heat Preserves cold for 12 hours and heat for 6 hours if the external temperature is opposite To clarify the temperature reflection (for example, if the water inside the bottle is cold and the outside temperature is hot, it is considered opposite) Washing instructions: 1_ Do not put the cup in the dishwasher. 2_ Do not put the cup in the microwave. 3_ Wash the cup with a soft dish sponge. 4_ Do not scrub the cup with a dish wire.